Logo AND Algorithmique Numérique Distribuée

Public GIT Repository
factor on_creation signal trigger in Host::seal()
[simgrid.git] / src / surf / sg_platf.cpp
1 /* Copyright (c) 2006-2021. The SimGrid Team. All rights reserved.          */
2
3 /* This program is free software; you can redistribute it and/or modify it
4  * under the terms of the license (GNU LGPL) which comes with this package. */
5
6 #include "simgrid/Exception.hpp"
7 #include "simgrid/kernel/routing/ClusterZone.hpp"
8 #include "simgrid/kernel/routing/DijkstraZone.hpp"
9 #include "simgrid/kernel/routing/DragonflyZone.hpp"
10 #include "simgrid/kernel/routing/EmptyZone.hpp"
11 #include "simgrid/kernel/routing/FatTreeZone.hpp"
12 #include "simgrid/kernel/routing/FloydZone.hpp"
13 #include "simgrid/kernel/routing/FullZone.hpp"
14 #include "simgrid/kernel/routing/NetPoint.hpp"
15 #include "simgrid/kernel/routing/NetZoneImpl.hpp"
16 #include "simgrid/kernel/routing/TorusZone.hpp"
17 #include "simgrid/kernel/routing/VivaldiZone.hpp"
18 #include "simgrid/kernel/routing/WifiZone.hpp"
19 #include "simgrid/s4u/Engine.hpp"
20 #include "src/include/simgrid/sg_config.hpp"
21 #include "src/include/surf/surf.hpp"
22 #include "src/kernel/EngineImpl.hpp"
23 #include "src/kernel/resource/DiskImpl.hpp"
24 #include "src/kernel/resource/profile/Profile.hpp"
25 #include "src/simix/smx_private.hpp"
26 #include "src/surf/HostImpl.hpp"
27 #include "src/surf/xml/platf_private.hpp"
28
29 #include <string>
30
31 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
32
33 namespace simgrid {
34 namespace kernel {
35 namespace routing {
36 xbt::signal<void(ClusterCreationArgs const&)> on_cluster_creation;
37 } // namespace routing
38 } // namespace kernel
39 } // namespace simgrid
40
41 /** The current NetZone in the parsing */
42 static simgrid::kernel::routing::NetZoneImpl* current_routing = nullptr;
43 static simgrid::kernel::routing::NetZoneImpl* routing_get_current()
44 {
45   return current_routing;
46 }
47
48 /** Module management function: creates all internal data structures */
49 void sg_platf_init()
50 {
51   // Do nothing: just for symmetry of user code
52 }
53
54 /** Module management function: frees all internal data structures */
55 void sg_platf_exit()
56 {
57   simgrid::kernel::routing::on_cluster_creation.disconnect_slots();
58   simgrid::s4u::Engine::on_platform_created.disconnect_slots();
59
60   surf_parse_lex_destroy();
61 }
62
63 /** @brief Add a host to the current NetZone */
64 void sg_platf_new_host(const simgrid::kernel::routing::HostCreationArgs* args)
65 {
66   simgrid::s4u::Host* host =
67       routing_get_current()->create_host(args->id, args->speed_per_pstate)->set_core_count(args->core_amount);
68
69   if (args->properties) {
70     host->set_properties(*args->properties);
71     delete args->properties;
72   }
73
74   host->get_impl()->set_disks(args->disks, host);
75
76   /* Change from the defaults */
77   host->set_state_profile(args->state_trace)->set_speed_profile(args->speed_trace);
78
79   if (not args->coord.empty())
80     new simgrid::kernel::routing::vivaldi::Coords(host->get_netpoint(), args->coord);
81
82   host->seal();
83
84   /* When energy plugin is activated, changing the pstate requires to already have the HostEnergy extension whose
85    * allocation is triggered by the on_creation signal. Then set_pstate must be called after the signal emition */
86   if (args->pstate != 0)
87     host->set_pstate(args->pstate);
88 }
89
90 /** @brief Add a "router" to the network element list */
91 simgrid::kernel::routing::NetPoint* sg_platf_new_router(const std::string& name, const char* coords)
92 {
93   xbt_assert(nullptr == simgrid::s4u::Engine::get_instance()->netpoint_by_name_or_null(name),
94              "Refusing to create a router named '%s': this name already describes a node.", name.c_str());
95
96   auto* netpoint = new simgrid::kernel::routing::NetPoint(name, simgrid::kernel::routing::NetPoint::Type::Router);
97   netpoint->set_englobing_zone(current_routing);
98   XBT_DEBUG("Router '%s' has the id %u", netpoint->get_cname(), netpoint->id());
99
100   if (coords && strcmp(coords, ""))
101     new simgrid::kernel::routing::vivaldi::Coords(netpoint, coords);
102
103   return netpoint;
104 }
105
106 static void sg_platf_new_link(const simgrid::kernel::routing::LinkCreationArgs* args, const std::string& link_name)
107 {
108   simgrid::s4u::Link* link = routing_get_current()->create_link(link_name, args->bandwidths);
109   if (args->properties)
110     link->set_properties(*args->properties);
111
112   link->get_impl() // this call to get_impl saves some simcalls but can be removed
113       ->set_sharing_policy(args->policy)
114       ->set_state_profile(args->state_trace)
115       ->set_latency_profile(args->latency_trace)
116       ->set_bandwidth_profile(args->bandwidth_trace)
117       ->set_latency(args->latency)
118       ->seal();
119 }
120
121 void sg_platf_new_link(const simgrid::kernel::routing::LinkCreationArgs* link)
122 {
123   if (link->policy == simgrid::s4u::Link::SharingPolicy::SPLITDUPLEX) {
124     sg_platf_new_link(link, link->id + "_UP");
125     sg_platf_new_link(link, link->id + "_DOWN");
126   } else {
127     sg_platf_new_link(link, link->id);
128   }
129   delete link->properties;
130 }
131
132 void sg_platf_new_cluster(simgrid::kernel::routing::ClusterCreationArgs* cluster)
133 {
134   using simgrid::kernel::routing::ClusterZone;
135   using simgrid::kernel::routing::DragonflyZone;
136   using simgrid::kernel::routing::FatTreeZone;
137   using simgrid::kernel::routing::TorusZone;
138
139   int rankId = 0;
140
141   // What an inventive way of initializing the NetZone that I have as ancestor :-(
142   simgrid::kernel::routing::ZoneCreationArgs zone;
143   zone.id = cluster->id;
144   switch (cluster->topology) {
145     case simgrid::kernel::routing::ClusterTopology::TORUS:
146       zone.routing = "ClusterTorus";
147       break;
148     case simgrid::kernel::routing::ClusterTopology::DRAGONFLY:
149       zone.routing = "ClusterDragonfly";
150       break;
151     case simgrid::kernel::routing::ClusterTopology::FAT_TREE:
152       zone.routing = "ClusterFatTree";
153       break;
154     default:
155       zone.routing = "Cluster";
156       break;
157   }
158   sg_platf_new_Zone_begin(&zone);
159   auto* current_zone = static_cast<ClusterZone*>(routing_get_current());
160   current_zone->parse_specific_arguments(cluster);
161   if (cluster->properties != nullptr)
162     for (auto const& elm : *cluster->properties)
163       current_zone->get_iface()->set_property(elm.first, elm.second);
164
165   if (cluster->loopback_bw > 0 || cluster->loopback_lat > 0) {
166     current_zone->set_loopback();
167   }
168
169   if (cluster->limiter_link > 0) {
170     current_zone->set_limiter();
171   }
172
173   for (int const& i : *cluster->radicals) {
174     std::string host_id = std::string(cluster->prefix) + std::to_string(i) + cluster->suffix;
175
176     XBT_DEBUG("<host\tid=\"%s\"\tspeed=\"%f\">", host_id.c_str(), cluster->speeds.front());
177     simgrid::s4u::Host* host =
178         current_zone->create_host(host_id, cluster->speeds)->set_core_count(cluster->core_amount);
179     ;
180
181     if ((cluster->properties != nullptr) && (not cluster->properties->empty()))
182       host->set_properties(*cluster->properties);
183     host->seal();
184
185     XBT_DEBUG("</host>");
186
187     std::string link_id = std::string(cluster->id) + "_link_" + std::to_string(i);
188     XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id.c_str(), cluster->bw, cluster->lat);
189
190     // All links are saved in a matrix;
191     // every row describes a single node; every node may have multiple links.
192     // the first column may store a link from x to x if p_has_loopback is set
193     // the second column may store a limiter link if p_has_limiter is set
194     // other columns are to store one or more link for the node
195
196     // add a loopback link
197     const simgrid::s4u::Link* linkUp   = nullptr;
198     const simgrid::s4u::Link* linkDown = nullptr;
199     if (cluster->loopback_bw > 0 || cluster->loopback_lat > 0) {
200       std::string tmp_link = link_id + "_loopback";
201       XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link.c_str(), cluster->loopback_bw);
202
203       simgrid::kernel::routing::LinkCreationArgs link;
204       link.id = tmp_link;
205       link.bandwidths.push_back(cluster->loopback_bw);
206       link.latency = cluster->loopback_lat;
207       link.policy  = simgrid::s4u::Link::SharingPolicy::FATPIPE;
208       sg_platf_new_link(&link);
209       linkUp   = simgrid::s4u::Link::by_name_or_null(tmp_link);
210       linkDown = simgrid::s4u::Link::by_name_or_null(tmp_link);
211
212       current_zone->add_private_link_at(current_zone->node_pos(rankId), {linkUp->get_impl(), linkDown->get_impl()});
213     }
214
215     // add a limiter link (shared link to account for maximal bandwidth of the node)
216     linkUp   = nullptr;
217     linkDown = nullptr;
218     if (cluster->limiter_link > 0) {
219       std::string tmp_link = std::string(link_id) + "_limiter";
220       XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link.c_str(), cluster->limiter_link);
221
222       simgrid::kernel::routing::LinkCreationArgs link;
223       link.id = tmp_link;
224       link.bandwidths.push_back(cluster->limiter_link);
225       link.latency = 0;
226       link.policy  = simgrid::s4u::Link::SharingPolicy::SHARED;
227       sg_platf_new_link(&link);
228       linkDown = simgrid::s4u::Link::by_name_or_null(tmp_link);
229       linkUp   = linkDown;
230       current_zone->add_private_link_at(current_zone->node_pos_with_loopback(rankId),
231                                         {linkUp->get_impl(), linkDown->get_impl()});
232     }
233
234     // call the cluster function that adds the others links
235     if (cluster->topology == simgrid::kernel::routing::ClusterTopology::FAT_TREE) {
236       static_cast<FatTreeZone*>(current_zone)->add_processing_node(i);
237     } else {
238       current_zone->create_links_for_node(cluster, i, rankId, current_zone->node_pos_with_loopback_limiter(rankId));
239     }
240     rankId++;
241   }
242   delete cluster->properties;
243
244   // Add a router.
245   XBT_DEBUG(" ");
246   XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id.c_str());
247   if (cluster->router_id.empty())
248     cluster->router_id = std::string(cluster->prefix) + cluster->id + "_router" + cluster->suffix;
249   current_zone->set_router(sg_platf_new_router(cluster->router_id, nullptr));
250
251   // Make the backbone
252   if ((cluster->bb_bw > 0) || (cluster->bb_lat > 0)) {
253     simgrid::kernel::routing::LinkCreationArgs link;
254     link.id = std::string(cluster->id) + "_backbone";
255     link.bandwidths.push_back(cluster->bb_bw);
256     link.latency = cluster->bb_lat;
257     link.policy  = cluster->bb_sharing_policy;
258
259     XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link.id.c_str(), cluster->bb_bw, cluster->bb_lat);
260     sg_platf_new_link(&link);
261
262     routing_cluster_add_backbone(simgrid::s4u::Link::by_name(link.id)->get_impl());
263   }
264
265   XBT_DEBUG("</zone>");
266   sg_platf_new_Zone_seal();
267
268   simgrid::kernel::routing::on_cluster_creation(*cluster);
269   delete cluster->radicals;
270 }
271
272 void routing_cluster_add_backbone(simgrid::kernel::resource::LinkImpl* bb)
273 {
274   auto* cluster = dynamic_cast<simgrid::kernel::routing::ClusterZone*>(current_routing);
275
276   xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
277   xbt_assert(not cluster->has_backbone(), "Cluster %s already has a backbone link!", cluster->get_cname());
278
279   cluster->set_backbone(bb);
280   XBT_DEBUG("Add a backbone to zone '%s'", current_routing->get_cname());
281 }
282
283 void sg_platf_new_cabinet(const simgrid::kernel::routing::CabinetCreationArgs* cabinet)
284 {
285   for (int const& radical : *cabinet->radicals) {
286     std::string hostname = cabinet->prefix + std::to_string(radical) + cabinet->suffix;
287     simgrid::kernel::routing::HostCreationArgs host;
288     host.pstate      = 0;
289     host.core_amount = 1;
290     host.id          = hostname;
291     host.speed_per_pstate.push_back(cabinet->speed);
292     sg_platf_new_host(&host);
293
294     simgrid::kernel::routing::LinkCreationArgs link;
295     link.policy  = simgrid::s4u::Link::SharingPolicy::SPLITDUPLEX;
296     link.latency = cabinet->lat;
297     link.bandwidths.push_back(cabinet->bw);
298     link.id = "link_" + hostname;
299     sg_platf_new_link(&link);
300
301     simgrid::kernel::routing::HostLinkCreationArgs host_link;
302     host_link.id        = hostname;
303     host_link.link_up   = std::string("link_") + hostname + "_UP";
304     host_link.link_down = std::string("link_") + hostname + "_DOWN";
305     sg_platf_new_hostlink(&host_link);
306   }
307   delete cabinet->radicals;
308 }
309
310 simgrid::kernel::resource::DiskImpl* sg_platf_new_disk(const simgrid::kernel::routing::DiskCreationArgs* disk)
311 {
312   simgrid::kernel::resource::DiskImpl* pimpl =
313       routing_get_current()->create_disk(disk->id, disk->read_bw, disk->write_bw)->get_impl();
314
315   if (disk->properties) {
316     pimpl->set_properties(*disk->properties);
317     delete disk->properties;
318   }
319
320   pimpl->seal();
321   simgrid::s4u::Disk::on_creation(*pimpl->get_iface());
322   return pimpl;
323 }
324
325 void sg_platf_new_route(simgrid::kernel::routing::RouteCreationArgs* route)
326 {
327   routing_get_current()->add_route(route->src, route->dst, route->gw_src, route->gw_dst, route->link_list,
328                                    route->symmetrical);
329 }
330
331 void sg_platf_new_bypassRoute(simgrid::kernel::routing::RouteCreationArgs* bypassRoute)
332 {
333   routing_get_current()->add_bypass_route(bypassRoute->src, bypassRoute->dst, bypassRoute->gw_src, bypassRoute->gw_dst,
334                                           bypassRoute->link_list, bypassRoute->symmetrical);
335 }
336
337 void sg_platf_new_actor(simgrid::kernel::routing::ActorCreationArgs* actor)
338 {
339   sg_host_t host = sg_host_by_name(actor->host);
340   if (not host) {
341     // The requested host does not exist. Do a nice message to the user
342     std::string msg = std::string("Cannot create actor '") + actor->function + "': host '" + actor->host +
343                       "' does not exist\nExisting hosts: '";
344
345     std::vector<simgrid::s4u::Host*> list = simgrid::s4u::Engine::get_instance()->get_all_hosts();
346
347     for (auto const& some_host : list) {
348       msg += some_host->get_name();
349       msg += "', '";
350       if (msg.length() > 1024) {
351         msg.pop_back(); // remove trailing quote
352         msg += "...(list truncated)......";
353         break;
354       }
355     }
356     xbt_die("%s", msg.c_str());
357   }
358   const simgrid::kernel::actor::ActorCodeFactory& factory =
359       simgrid::kernel::EngineImpl::get_instance()->get_function(actor->function);
360   xbt_assert(factory, "Error while creating an actor from the XML file: Function '%s' not registered", actor->function);
361
362   double start_time = actor->start_time;
363   double kill_time  = actor->kill_time;
364   bool auto_restart = actor->restart_on_failure;
365
366   std::string actor_name                 = actor->args[0];
367   simgrid::kernel::actor::ActorCode code = factory(std::move(actor->args));
368   std::shared_ptr<std::unordered_map<std::string, std::string>> properties(actor->properties);
369
370   auto* arg =
371       new simgrid::kernel::actor::ProcessArg(actor_name, code, nullptr, host, kill_time, properties, auto_restart);
372
373   host->get_impl()->add_actor_at_boot(arg);
374
375   if (start_time > SIMIX_get_clock()) {
376     arg = new simgrid::kernel::actor::ProcessArg(actor_name, code, nullptr, host, kill_time, properties, auto_restart);
377
378     XBT_DEBUG("Process %s@%s will be started at time %f", arg->name.c_str(), arg->host->get_cname(), start_time);
379     simgrid::simix::Timer::set(start_time, [arg, auto_restart]() {
380       simgrid::kernel::actor::ActorImplPtr new_actor = simgrid::kernel::actor::ActorImpl::create(
381           arg->name.c_str(), arg->code, arg->data, arg->host, arg->properties.get(), nullptr);
382       if (arg->kill_time >= 0)
383         new_actor->set_kill_time(arg->kill_time);
384       if (auto_restart)
385         new_actor->set_auto_restart(auto_restart);
386       delete arg;
387     });
388   } else { // start_time <= SIMIX_get_clock()
389     XBT_DEBUG("Starting Process %s(%s) right now", arg->name.c_str(), host->get_cname());
390
391     try {
392       simgrid::kernel::actor::ActorImplPtr new_actor = nullptr;
393       new_actor = simgrid::kernel::actor::ActorImpl::create(arg->name.c_str(), code, nullptr, host,
394                                                             arg->properties.get(), nullptr);
395       /* The actor creation will fail if the host is currently dead, but that's fine */
396       if (arg->kill_time >= 0)
397         new_actor->set_kill_time(arg->kill_time);
398       if (auto_restart)
399         new_actor->set_auto_restart(auto_restart);
400     } catch (simgrid::HostFailureException const&) {
401       XBT_WARN("Deployment includes some initially turned off Hosts ... nevermind.");
402     }
403   }
404 }
405
406 void sg_platf_new_peer(const simgrid::kernel::routing::PeerCreationArgs* peer)
407 {
408   auto* zone = dynamic_cast<simgrid::kernel::routing::VivaldiZone*>(current_routing);
409   xbt_assert(zone, "<peer> tag can only be used in Vivaldi netzones.");
410
411   std::vector<double> speed_per_pstate;
412   speed_per_pstate.push_back(peer->speed);
413   simgrid::s4u::Host* host = zone->create_host(peer->id, speed_per_pstate);
414
415   zone->set_peer_link(host->get_netpoint(), peer->bw_in, peer->bw_out, peer->coord);
416
417   /* Change from the defaults */
418   if (peer->state_trace)
419     host->set_state_profile(peer->state_trace);
420   if (peer->speed_trace)
421     host->set_speed_profile(peer->speed_trace);
422   host->seal();
423 }
424
425 /**
426  * @brief Auxiliary function to build the object NetZoneImpl
427  *
428  * Builds the objects, setting its father properties and root netzone if needed
429  * @param zone the parameters defining the Zone to build.
430  * @return Pointer to recently created netzone
431  */
432 static simgrid::kernel::routing::NetZoneImpl*
433 sg_platf_create_zone(const simgrid::kernel::routing::ZoneCreationArgs* zone)
434 {
435   /* search the routing model */
436   simgrid::kernel::routing::NetZoneImpl* new_zone = nullptr;
437
438   if (strcasecmp(zone->routing.c_str(), "Cluster") == 0) {
439     new_zone = new simgrid::kernel::routing::ClusterZone(zone->id);
440   } else if (strcasecmp(zone->routing.c_str(), "ClusterDragonfly") == 0) {
441     new_zone = new simgrid::kernel::routing::DragonflyZone(zone->id);
442   } else if (strcasecmp(zone->routing.c_str(), "ClusterTorus") == 0) {
443     new_zone = new simgrid::kernel::routing::TorusZone(zone->id);
444   } else if (strcasecmp(zone->routing.c_str(), "ClusterFatTree") == 0) {
445     new_zone = new simgrid::kernel::routing::FatTreeZone(zone->id);
446   } else if (strcasecmp(zone->routing.c_str(), "Dijkstra") == 0) {
447     new_zone = new simgrid::kernel::routing::DijkstraZone(zone->id, false);
448   } else if (strcasecmp(zone->routing.c_str(), "DijkstraCache") == 0) {
449     new_zone = new simgrid::kernel::routing::DijkstraZone(zone->id, true);
450   } else if (strcasecmp(zone->routing.c_str(), "Floyd") == 0) {
451     new_zone = new simgrid::kernel::routing::FloydZone(zone->id);
452   } else if (strcasecmp(zone->routing.c_str(), "Full") == 0) {
453     new_zone = new simgrid::kernel::routing::FullZone(zone->id);
454   } else if (strcasecmp(zone->routing.c_str(), "None") == 0) {
455     new_zone = new simgrid::kernel::routing::EmptyZone(zone->id);
456   } else if (strcasecmp(zone->routing.c_str(), "Vivaldi") == 0) {
457     new_zone = new simgrid::kernel::routing::VivaldiZone(zone->id);
458   } else if (strcasecmp(zone->routing.c_str(), "Wifi") == 0) {
459     new_zone = new simgrid::kernel::routing::WifiZone(zone->id);
460   } else {
461     xbt_die("Not a valid model!");
462   }
463   new_zone->set_parent(current_routing);
464
465   return new_zone;
466 }
467
468 /**
469  * @brief Add a Zone to the platform
470  *
471  * Add a new autonomous system to the platform. Any elements (such as host, router or sub-Zone) added after this call
472  * and before the corresponding call to sg_platf_new_Zone_seal() will be added to this Zone.
473  *
474  * Once this function was called, the configuration concerning the used models cannot be changed anymore.
475  *
476  * @param zone the parameters defining the Zone to build.
477  */
478 simgrid::kernel::routing::NetZoneImpl* sg_platf_new_Zone_begin(const simgrid::kernel::routing::ZoneCreationArgs* zone)
479 {
480   /* First create the zone.
481    * This order is important to assure that root netzone is set when models are setting
482    * the default mode for each resource (CPU, network, etc)
483    */
484   auto* new_zone = sg_platf_create_zone(zone);
485
486   _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
487                             * any further config now that we created some real content */
488
489   /* set the new current component of the tree */
490   current_routing = new_zone;
491   simgrid::s4u::NetZone::on_creation(*new_zone->get_iface()); // notify the signal
492
493   return new_zone;
494 }
495
496 void sg_platf_new_Zone_set_properties(const std::unordered_map<std::string, std::string>* props)
497 {
498   xbt_assert(current_routing, "Cannot set properties of the current Zone: none under construction");
499
500   if (props)
501     current_routing->set_properties(*props);
502 }
503
504 /**
505  * @brief Specify that the description of the current Zone is finished
506  *
507  * Once you've declared all the content of your Zone, you have to seal
508  * it with this call. Your Zone is not usable until you call this function.
509  */
510 void sg_platf_new_Zone_seal()
511 {
512   xbt_assert(current_routing, "Cannot seal the current Zone: zone under construction");
513   current_routing->seal();
514   simgrid::s4u::NetZone::on_seal(*current_routing->get_iface());
515   current_routing = current_routing->get_parent();
516 }
517
518 /** @brief Add a link connecting a host to the rest of its Zone (which must be cluster or vivaldi) */
519 void sg_platf_new_hostlink(const simgrid::kernel::routing::HostLinkCreationArgs* hostlink)
520 {
521   const simgrid::kernel::routing::NetPoint* netpoint = simgrid::s4u::Host::by_name(hostlink->id)->get_netpoint();
522   xbt_assert(netpoint, "Host '%s' not found!", hostlink->id.c_str());
523   xbt_assert(dynamic_cast<simgrid::kernel::routing::ClusterZone*>(current_routing),
524              "Only hosts from Cluster and Vivaldi Zones can get a host_link.");
525
526   const simgrid::s4u::Link* linkUp   = simgrid::s4u::Link::by_name_or_null(hostlink->link_up);
527   const simgrid::s4u::Link* linkDown = simgrid::s4u::Link::by_name_or_null(hostlink->link_down);
528
529   xbt_assert(linkUp, "Link '%s' not found!", hostlink->link_up.c_str());
530   xbt_assert(linkDown, "Link '%s' not found!", hostlink->link_down.c_str());
531
532   auto* cluster_zone = static_cast<simgrid::kernel::routing::ClusterZone*>(current_routing);
533
534   if (cluster_zone->private_link_exists_at(netpoint->id()))
535     surf_parse_error(std::string("Host_link for '") + hostlink->id.c_str() + "' is already defined!");
536
537   XBT_DEBUG("Push Host_link for host '%s' to position %u", netpoint->get_cname(), netpoint->id());
538   cluster_zone->add_private_link_at(netpoint->id(), {linkUp->get_impl(), linkDown->get_impl()});
539 }
540
541 void sg_platf_new_trace(simgrid::kernel::routing::ProfileCreationArgs* profile)
542 {
543   simgrid::kernel::profile::Profile* mgr_profile;
544   if (not profile->file.empty()) {
545     mgr_profile = simgrid::kernel::profile::Profile::from_file(profile->file);
546   } else {
547     xbt_assert(not profile->pc_data.empty(), "Trace '%s' must have either a content, or point to a file on disk.",
548                profile->id.c_str());
549     mgr_profile = simgrid::kernel::profile::Profile::from_string(profile->id, profile->pc_data, profile->periodicity);
550   }
551   traces_set_list.insert({profile->id, mgr_profile});
552 }